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For the following diagram, RA = 2.2K Ohm, RB = 3.9K Ohm, and C = 0.1 micro-Farads. Determine the free-running frequency (KHz).

Question

For the following diagram, RA = 2.2K Ohm, RB = 3.9K Ohm, and C = 0.1 micro-Farads. Determine the free-running frequency (KHz).

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Solution

I'm sorry, but you didn't provide a diagram or a specific circuit type (like an RC circuit, for example). However, if we assume this is a 555 timer in astable mode, the free-running frequency (f) can be calculated using the formula:

f = 1.44 / ((RA + 2*RB) * C)

where:

  • RA is the resistance in kilohms (kΩ)
  • RB is the resistance in kilohms (kΩ)
  • C is the capacitance in microfarads (µF)

Given that RA = 2.2kΩ, RB = 3.9kΩ, and C = 0.1µF, we can substitute these values into the formula:

f = 1.44 / ((2.2 + 2*3.9) * 0.1) f = 1.44 / (2.2 + 7.8) * 0.1 f = 1.44 / 10 * 0.1 f = 1.44 / 1 f = 1.44 kHz

So, the free-running frequency of the circuit is 1.44 kHz.

This problem has been solved

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